Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Reloading
6.5 Bob AI
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="MNbogboy" data-source="post: 1490123" data-attributes="member: 18849"><p>I have two 6.5 Bob A.I. 40 deg.</p><p>Midway had the RCBS dies on clearance at the time (6 or 8 years ago ?). I bought a PTG reamer at the same time.</p><p>Mine like H4831sc. I use Nosler ballistic tips (120 & 140 gr). I have had limited success with 143 eldx with my 8 twist barrel. The 9 twist barrel also liked Berger 130 vldh.</p><p>Brass: </p><p>I have necked up 257 Roberts brass but the necks end up way short (.015-.030) after fireforming. Same with 7mm mauser brass.</p><p>I have also converted longer brass including 25-06, 270 and 30-06. This is a time consuming process but you can end up with full length necks (and donuts).</p><p>Best solution for me so far is using 8x57 mauser brass. I have a batch of Hornady all fireformed right now ready for load development this winter.</p><p>Brass volumes depending on the brand & weight vary a lot.</p><p>I believe Norma makes 8x57 brass this most likely would be high quality.</p><p>I have not have to neck turn with my chambers but keep in mind depending on your reamer specs.</p><p>Neck it down leaving a false shoulder so that it chambers "stiff".</p><p>I usually fireform with 47 hrs of h4831sc and 120 or 130 grain "cheap" bullets. The fireforming loads are sometimes amazingly accurate.</p><p>The final product is bad medicine for slopes & deer!</p><p>I get about 3050 fps with 120 ballistic tips pushing them with 51.3 grains of h4831sc (In Rem 270 converted brass).</p><p>Magneto speed shows 2855 with 140 Ballistic tips pushed by 49.5 grs in Hornady converted 25-06 brass (The Hornady brass has more capacity them Rem. The same speed with 48.8 in Rem brass).</p><p>These are not maximum in my two 24" barrels but it is wise to start 5% lower.</p><p>Good luck with your Bob and keep me posted with your progress.</p><p>Randy</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 1490123, member: 18849"] I have two 6.5 Bob A.I. 40 deg. Midway had the RCBS dies on clearance at the time (6 or 8 years ago ?). I bought a PTG reamer at the same time. Mine like H4831sc. I use Nosler ballistic tips (120 & 140 gr). I have had limited success with 143 eldx with my 8 twist barrel. The 9 twist barrel also liked Berger 130 vldh. Brass: I have necked up 257 Roberts brass but the necks end up way short (.015-.030) after fireforming. Same with 7mm mauser brass. I have also converted longer brass including 25-06, 270 and 30-06. This is a time consuming process but you can end up with full length necks (and donuts). Best solution for me so far is using 8x57 mauser brass. I have a batch of Hornady all fireformed right now ready for load development this winter. Brass volumes depending on the brand & weight vary a lot. I believe Norma makes 8x57 brass this most likely would be high quality. I have not have to neck turn with my chambers but keep in mind depending on your reamer specs. Neck it down leaving a false shoulder so that it chambers "stiff". I usually fireform with 47 hrs of h4831sc and 120 or 130 grain "cheap" bullets. The fireforming loads are sometimes amazingly accurate. The final product is bad medicine for slopes & deer! I get about 3050 fps with 120 ballistic tips pushing them with 51.3 grains of h4831sc (In Rem 270 converted brass). Magneto speed shows 2855 with 140 Ballistic tips pushed by 49.5 grs in Hornady converted 25-06 brass (The Hornady brass has more capacity them Rem. The same speed with 48.8 in Rem brass). These are not maximum in my two 24" barrels but it is wise to start 5% lower. Good luck with your Bob and keep me posted with your progress. Randy [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Reloading
6.5 Bob AI
Top